CN102900767A - Bearing bush - Google Patents
Bearing bush Download PDFInfo
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- CN102900767A CN102900767A CN2012103687083A CN201210368708A CN102900767A CN 102900767 A CN102900767 A CN 102900767A CN 2012103687083 A CN2012103687083 A CN 2012103687083A CN 201210368708 A CN201210368708 A CN 201210368708A CN 102900767 A CN102900767 A CN 102900767A
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- Prior art keywords
- tin
- layer
- nickel
- aluminium
- bearing shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 65
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 37
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 32
- 239000004642 Polyimide Substances 0.000 claims abstract description 21
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims abstract description 21
- 229920001721 polyimide Polymers 0.000 claims abstract description 21
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 20
- 239000010439 graphite Substances 0.000 claims abstract description 20
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 34
- 239000004411 aluminium Substances 0.000 claims description 34
- 229910052782 aluminium Inorganic materials 0.000 claims description 34
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 26
- 229910052802 copper Inorganic materials 0.000 claims description 25
- 239000010949 copper Substances 0.000 claims description 25
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 20
- 229910052710 silicon Inorganic materials 0.000 claims description 20
- 239000010703 silicon Substances 0.000 claims description 20
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 16
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 229910052748 manganese Inorganic materials 0.000 claims description 16
- 239000011572 manganese Substances 0.000 claims description 16
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 12
- 239000010936 titanium Substances 0.000 claims description 12
- 229910052719 titanium Inorganic materials 0.000 claims description 12
- 239000000956 alloy Substances 0.000 claims description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 9
- 241000357293 Leptobrama muelleri Species 0.000 claims description 8
- 229910018725 Sn—Al Inorganic materials 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract 2
- 239000010959 steel Substances 0.000 abstract 2
- YVIMHTIMVIIXBQ-UHFFFAOYSA-N [SnH3][Al] Chemical compound [SnH3][Al] YVIMHTIMVIIXBQ-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009661 fatigue test Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- Sliding-Contact Bearings (AREA)
Abstract
The invention relates to a bearing bush. The bearing bush consists of a steel backing layer, an aluminum alloy basal layer and an antifriction layer, wherein the aluminum alloy basal layer is arranged on the steel backing layer, and the antifriction layer is arranged on the aluminum alloy basal layer. The bearing bush is characterized in that the aluminum alloy basal layer is made from tin-aluminum alloy; and the antifriction layer is made from nickel, molybdenum disulfide, polyimide and graphite. The bearing bush has the advantages of good antifriction performance, high temperature resistance, corrosion resistance, high strength and environment friendliness.
Description
Technical field
The present invention relates to a kind of bearing shell.
Background technique
Bearing shell, the formal name used at school sliding bearing generally is the element for the protection of axle.Main Function has: 1, supporting axle and parts on shaft, the running accuracy of retainer shaft; 2, the friction and wear between minimizing rotating shaft and the supporting.Bearing shell is as one of part of motor most critical, and the performance quality of bearing shell directly affects the performance of motor.Along with internal-combustion engine at a high speed, highly carry, the environmental protection future development, the requirement of bearing shell performance is improved constantly, require bearing shell that high bearing capacity and fatigue resistance are not only arranged, have simultaneously good wear resistance, corrosion resistance.In recent years, along with expanding economy, people constantly increase the demand of automobile, and the pollution problem of environment more and more receives people's concern.Along with the enhancing of people's environmental protection consciousness, internal-combustion engine also will have good environmental-protecting performance to bearing shell.
Because the intensity of aluminum alloy can not apply to high carry environment on the low carrying internal-combustion engine less than the intensity of Cuprum alloy in generally can only being applied in traditional Al alloy bearing shell; But because the aluminum alloy cost is low, quality is light, so Al alloy bearing shell still is an important directions of material for sliding bearing exploitation.So we need to develop good, high temperature resistant, the corrosion resistant high tensile aluminium alloy bearing shell of the antifriction quality that makes new advances now.
Summary of the invention
The defective that the present invention seeks to overcome prior art provides that a kind of antifriction quality is good, high temperature resistant, corrosion-resistant, the Al alloy bearing shell of high strength and environmental protection.
Technological scheme of the present invention:
The invention discloses a kind of bearing shell, be comprised of steel back layer, Al-alloy based bottom, anti-attrition layer, wherein Al-alloy based bottom is arranged on the steel back layer, and antifriction layer is arranged on the Al-alloy based bottom, it is characterized in that: described Al-alloy based bottom is comprised of Sn-Al alloy; Described antifriction layer is comprised of nickel, molybdenum disulfide, polyimide, graphite.
Described Sn-Al alloy is high tin aluminium, is by weight percentage:
Copper 0.7% ~ 1.3%, tin 17.5% ~ 22.5%, surplus is aluminium;
Or copper 0.7% ~ 1.3%, nickel 0～0.1%, silicon 0～0.7%, iron 0～0.7%, manganese 0～0.7%, titanium 0～0.2%, tin 17.5% ~ 22.5%, surplus is aluminium;
Or copper 0.7% ~ 1.3%, silicon 0～0.7%, iron 0～0.7%, manganese 0～0.3%, tin 17.5% ~ 22.5%, surplus is aluminium;
In three kinds of components any one.
Described Sn-Al alloy is middle tin aluminium, is by weight percentage:
Copper 0.4% ~ 1.3%, nickel 0～0.1%, silicon 1.8～3.5%, iron 0～0.7%, manganese 0～0.35%, titanium 0～0.1%, tin 10.0% ~ 14.0%, lead 0～2.5%, surplus is aluminium;
Or copper 0.9% ~ 1.3%, silicon 3.0～5.0%, tin 10.0% ~ 14.0%, surplus is aluminium;
In two kinds of components any one.
Described Sn-Al alloy is low tin aluminium, is by weight percentage: copper 0.7% ~ 1.3%, and nickel 0～1.3%, silicon 0～1.7%, iron 0～0.7%, manganese 0～0.7%, titanium 0～0.2%, tin 5.5% ~ 7.0%, surplus is aluminium.
Described high tin aluminium by weight percentage concrete numerical value is:
Or copper 1%, nickel 0.05%, silicon 0.35%, iron 0.35%, manganese 0.35%, titanium 0.1%, tin 20%, surplus is aluminium;
Or copper 1%, silicon 0.35%, iron 0.35%, manganese 0.15%, tin 20%, surplus is aluminium;
In three kinds of components any one.
Described middle tin aluminium by weight percentage concrete numerical value is:
Copper 0.85%, nickel 0.05%, silicon 2.65%, iron 0.35%, manganese 0.17%, titanium 0.05%, tin 12%, lead 1.25%, surplus is aluminium;
Or copper 1.1%, silicon 4%, tin 12%, surplus is aluminium;
In two kinds of components any one.
Described low tin aluminium by weight percentage concrete numerical value is: copper 1%, and nickel 0.7%, silicon 0.9%, iron 0.35%, manganese 0.35%, titanium 0.1%, tin 6.25%, surplus is aluminium.
Described antifriction layer is by weight percentage: nickel 0.5 ~ 25%, molybdenum disulfide 5 ~ 30%, polyimide 50 ~ 79.5%, graphite 1 ~ 44.5%.
Described antifriction layer is by weight percentage: nickel 12.25%, molybdenum disulfide 12.5%, polyimide 53.5%, graphite 21.75%.
Described antifriction layer is by weight percentage: nickel 14.5%, molybdenum disulfide 5%, polyimide 79.5%, graphite 1%.
Described antifriction layer is by weight percentage: nickel 0.5%, molybdenum disulfide 25%, polyimide 67.5%, graphite 7%.
Described antifriction layer is by weight percentage: nickel 21%, molybdenum disulfide 7.5%, polyimide 59%, graphite 12.5%.
Beneficial effect of the present invention: one, cost low, economize on resources, do not need nickel-barrier layer to prevent from directly contacting between the two the problem of phase interdiffusion between the base layer of bearing shell of the present invention and the anti-attrition layer, the present invention adopts Al-alloy based bottom, the anti-attrition layer described in direct spraying the present invention on base layer, the main component of base layer of the present invention is not copper, can not be diffused into antifriction layer, cause the hydraulic performance decline of antifriction layer; Because saved the grid layer that must be made by valuable rare metal, this just greatly reduces the cost of production of bearing shell, and avoid the wasting of resources; Two, bearing shell of the present invention is owing to also contain one deck antifriction layer at the skin of aluminum alloy, so that the fatigue resistance of bearing shell is up to more than the 100MPa, and the bearing capacity of existing Al alloy bearing shell is generally lower; Three, the antifriction performance of bearing shell of the present invention is higher, and the friction factor of antifriction layer of the present invention can reach below 0.1, and the common friction factor that does not contain the aluminum alloy of anti-attrition layer is more than 0.45; Four, the corrosion resistance of bearing shell, heat-resisting ability are good; After tested, its decay resistance is better than traditional aluminum alloy material, and heatproof reaches more than 250 degree; Five, the equal poisonous element such as not leaded of the Al-alloy based bottom of the present invention and antifriction layer is fit to the utilization in enormous quantities of lead-free aluminum alloy, meets the direction of development of automobile.
Description of drawings:
The structural representation of Fig. 1, a kind of bearing shell of the present invention.
Embodiment
According to shown in Figure 1, the present invention is comprised of steel back layer 1, Al-alloy based bottom 2, anti-attrition layer 3, and wherein Al-alloy based bottom 2 is arranged on the steel back layer 1, and antifriction layer 3 is arranged on the Al-alloy based bottom 2; Described steel back layer 1 forms for high-quality low carbon steel.
The processing method of bearing shell of the present invention is: at first Al-alloy based bottom is cast on the steel back layer; Then above-mentioned material is adopted and rush the shape that curved milling process is processed into bearing shell; Next each component nickel (Ni), molybdenum disulfide (MoS2), polyimide (PI), the graphite with antifriction layer carries out stoicheiometry and puts into the high temperature rifle, under high pressure be ejected into rapidly on the Al-alloy based bottom, the THICKNESS CONTROL of antifriction layer is namely finished the course of working of bearing shell of the present invention at 0.2 ~ 0.5mm.
A kind of bearing shell, the components based on weight percentage of Al-alloy based bottom is: copper 0.7%, tin 22.5%, surplus is aluminium; The antifriction layer components based on weight percentage is: nickel 20%, molybdenum disulfide 12%, polyimide 61%, graphite 7%.
A kind of bearing shell, the components based on weight percentage of Al-alloy based bottom is: copper 0.4%, nickel 0.01%, silicon 1.8%, iron 0.1%, manganese 0.35%, titanium 0.1%, tin 10.0%, lead 0.1%, surplus is aluminium; The antifriction layer components based on weight percentage is: nickel 5%, molybdenum disulfide 27%, polyimide 51%, graphite 17%.
Embodiment 3
A kind of bearing shell, the components based on weight percentage of Al-alloy based bottom is: low tin aluminium is by weight percentage: copper 0.7%, nickel 0.1%, silicon 1.7%, iron 0.1%, manganese 0.7%, titanium 0.2%, tin 5.5%, surplus is aluminium; The antifriction layer components based on weight percentage is: nickel 3%, molybdenum disulfide 8%, polyimide 57%, graphite 32%.
Embodiment 4
A kind of bearing shell, the components based on weight percentage of Al-alloy based bottom is: copper 1.3%, nickel 0.01%, silicon 0.7%, iron 0.7%, manganese 0.7%, titanium 0.2%, tin 17.5%, surplus is aluminium; Antifriction layer is by weight percentage: nickel 12.25%, molybdenum disulfide 12.5%, polyimide 53.5%, graphite 21.75%.
Embodiment 5
A kind of bearing shell, the components based on weight percentage of Al-alloy based bottom is: copper 1.3%, silicon 5.0%, tin 14.0%, surplus is aluminium; Antifriction layer is by weight percentage: nickel 14.5%, molybdenum disulfide 5%, polyimide 79.5%, graphite 1%.
Embodiment 6
A kind of bearing shell, the components based on weight percentage of Al-alloy based bottom is: copper 1%, silicon 0.35%, iron 0.35%, manganese 0.15%, tin 20%, surplus is aluminium; Antifriction layer is by weight percentage: nickel 0.5%, molybdenum disulfide 30%, polyimide 50%, graphite 19.5%.
The performance of the present invention and comparative example is compared as follows table 1:
The fatigue resistance of antifriction layer material adopts " sapphire fatigue test board " test in the table.Strong tin alloy coat is as the application's antifriction layer material, and when fatigue resistance was tested at 100MPa, product was qualified.
Wearability adopts " wear testing machine " contrast test, and the present invention has all shown excellent performance.
Claims (9)
1. a bearing shell is comprised of steel back layer, Al-alloy based bottom, anti-attrition layer, and wherein Al-alloy based bottom is arranged on the steel back layer, and antifriction layer is arranged on the Al-alloy based bottom, it is characterized in that: described Al-alloy based bottom is comprised of Sn-Al alloy; Described antifriction layer is comprised of nickel, molybdenum disulfide, polyimide, graphite.
2. a kind of bearing shell according to claim 1, it is characterized in that: described Sn-Al alloy is high tin aluminium, is by weight percentage:
Copper 0.7% ~ 1.3%, tin 17.5% ~ 22.5%, surplus is aluminium;
Or copper 0.7% ~ 1.3%, nickel 0～0.1%, silicon 0～0.7%, iron 0～0.7%, manganese 0～0.7%, titanium 0～0.2%, tin 17.5% ~ 22.5%, surplus is aluminium;
Or copper 0.7% ~ 1.3%, silicon 0～0.7%, iron 0～0.7%, manganese 0～0.3%, tin 17.5% ~ 22.5%, surplus is aluminium;
In three kinds of components any one.
3. a kind of bearing shell according to claim 1, it is characterized in that: described Sn-Al alloy is middle tin aluminium, is by weight percentage:
Copper 0.4% ~ 1.3%, nickel 0～0.1%, silicon 1.8～3.5%, iron 0～0.7%, manganese 0～0.35%, titanium 0～0.1%, tin 10.0% ~ 14.0%, lead 0～2.5%, surplus is aluminium;
Or copper 0.9% ~ 1.3%, silicon 3.0～5.0%, tin 10.0% ~ 14.0%, surplus is aluminium;
In two kinds of components any one.
4. a kind of bearing shell according to claim 1 is characterized in that: described Sn-Al alloy for low tin aluminium is: copper 0.7% ~ 1.3%, nickel 0～1.3% by weight percentage, silicon 0～1.7%, iron 0～0.7%, manganese 0～0.7%, titanium 0～0.2%, tin 5.5% ~ 7.0%, surplus is aluminium.
5. a kind of bearing shell according to claim 1, it is characterized in that: described antifriction layer is by weight percentage: nickel 0.5 ~ 25%, molybdenum disulfide 5 ~ 30%, polyimide 50 ~ 79.5%, graphite 1 ~ 44.5%.
6. a kind of bearing shell according to claim 5, it is characterized in that: described antifriction layer is by weight percentage: nickel 12.25%, molybdenum disulfide 12.5%, polyimide 53.5%, graphite 21.75%.
7. described according to claim 5 is a kind of bearing shell, it is characterized in that: described antifriction layer is by weight percentage: nickel 14.5%, molybdenum disulfide 5%, polyimide 79.5%, graphite 1%.
8. described according to claim 5 is a kind of bearing shell, it is characterized in that: described antifriction layer is by weight percentage: nickel 0.5%, molybdenum disulfide 25%, polyimide 67.5%, graphite 7%.
9. described according to claim 5 is a kind of bearing shell, it is characterized in that: described antifriction layer is by weight percentage: nickel 21%, molybdenum disulfide 7.5%, polyimide 59%, graphite 12.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210368708.3A CN102900767B (en) | 2012-09-28 | 2012-09-28 | Bearing bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210368708.3A CN102900767B (en) | 2012-09-28 | 2012-09-28 | Bearing bush |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102900767A true CN102900767A (en) | 2013-01-30 |
| CN102900767B CN102900767B (en) | 2015-04-22 |
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Family Applications (1)
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|---|---|---|---|
| CN201210368708.3A Active CN102900767B (en) | 2012-09-28 | 2012-09-28 | Bearing bush |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104561679A (en) * | 2015-02-05 | 2015-04-29 | 安徽工程大学 | Method for producing bearing alloy |
| CN105291505A (en) * | 2015-11-02 | 2016-02-03 | 梅州市星泰环保科技有限公司 | High-strength abrasion-resistant metal product |
| CN110199042A (en) * | 2017-02-06 | 2019-09-03 | 米巴滑动轴承奥地利有限公司 | Multilayer plain bearing element |
| CN110564299A (en) * | 2019-08-07 | 2019-12-13 | 湖北安达精密工业有限公司 | Lubricating wear-resistant paint for coating bearing bush, bearing bush and bearing bush spraying method |
| CN115505793A (en) * | 2022-08-29 | 2022-12-23 | 四川双飞虹精密部件有限公司 | Bearing bush composite material and preparation method thereof |
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| CN102042337A (en) * | 2010-12-20 | 2011-05-04 | 无锡润鹏复合新材料有限公司 | Self-lubricating sliding bearing |
| WO2012031792A1 (en) * | 2010-09-09 | 2012-03-15 | Federal-Mogul Wiesbaden Gmbh | Layered composite material for sliding elements, method for producing same and use thereof |
| CN102518672A (en) * | 2012-01-05 | 2012-06-27 | 广州安达汽车零部件股份有限公司 | High-strength bearing bush basal layer |
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2012
- 2012-09-28 CN CN201210368708.3A patent/CN102900767B/en active Active
Patent Citations (6)
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| CN1862044A (en) * | 2005-04-29 | 2006-11-15 | 米巴·格来特来格有限公司 | Bearing element |
| CN101629601A (en) * | 2009-08-04 | 2010-01-20 | 重庆斯凯迪轴瓦有限公司 | High molecular abrasion-proof bearing bush |
| CN101922514A (en) * | 2010-08-03 | 2010-12-22 | 广州市安达汽车零件有限公司 | Bearing bush with vacuum sputtering plating layer and production method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104561679A (en) * | 2015-02-05 | 2015-04-29 | 安徽工程大学 | Method for producing bearing alloy |
| CN105291505A (en) * | 2015-11-02 | 2016-02-03 | 梅州市星泰环保科技有限公司 | High-strength abrasion-resistant metal product |
| CN110199042A (en) * | 2017-02-06 | 2019-09-03 | 米巴滑动轴承奥地利有限公司 | Multilayer plain bearing element |
| US11137027B2 (en) | 2017-02-06 | 2021-10-05 | Miba Gleitlager Austria Gmbh | Multi-layer sliding-bearing element |
| CN110564299A (en) * | 2019-08-07 | 2019-12-13 | 湖北安达精密工业有限公司 | Lubricating wear-resistant paint for coating bearing bush, bearing bush and bearing bush spraying method |
| CN115505793A (en) * | 2022-08-29 | 2022-12-23 | 四川双飞虹精密部件有限公司 | Bearing bush composite material and preparation method thereof |
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| Publication number | Publication date |
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| CN102900767B (en) | 2015-04-22 |
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Effective date of registration: 20231121 Address after: 435200 North Industrial Park, Yangxin County, Huangshi City, Hubei Province Patentee after: HUBEI ANDA AUTO PARTS Co.,Ltd. Address before: 510540 private science and Technology Park, Taihe Town, Baiyun District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU ANDA PRECISION INDUSTRY Co.,Ltd. |
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